Nervous Nelly
You're so "sense"-itive
It's the hormones talking
Blood
The Blood Highway
100

The parasympathetic division of the autonomic nervous system has this effect of the body.

What is calming?

100

The primary hearing structure of the ear.

What is the cochlea?

100

If exocrine glands secrete substances into ducts, endocrine glands secrete substances into this location.

What is the bloodstream?
100

A person with type A blood would have this kind of antibody.

Anti-B antibody.

100

Blood vessels where the majority of nutrient, waste and gas exchange occurs.

What are capillaries?

200

These chemicals carry messages from one neuron to another, across the synaptic cleft.

What are neurotransmitters

200

A word meaning to widen, enlarge, or make more open, as in relation to pupils, blood vessels, and the cervix.

What is dilate?

200

This endocrine gland resides in the neck and releases hormones to increase the body's overall metabolic rate.

What is the thyroid?

200

A person's oxygen carrying capacity is directly related to the amount of this molecule in their red blood cells.

What is hemoglobin?

200

Fluid flowing from an area with higher pressure to lower pressure.

What is a pressure gradient?
300

This involuntary system excites or inhibits our glands, smooth and cardiac muscle, and secretes acetylcholine and norepinephrine.

What is the Sympathetic Nervous System?

300

To control the amount of light entering the eye the iris adjusts the diameter of this opening.

What is the pupil?

300

A growth disorder caused by the hypersecretion of growth hormone after epiphyseal plates have already fused, causing hands, feet, face, and jaw to enlarge.

What is acromegaly?

300

Specific proteins attached to the surface of every cell, unique to each individual, allowing the body to distinguish its own cells from foreign invaders. These determine A, B, and O blood types.

What is an antigen?

300

These structures in the cardiovascular system prevent backflow of blood.

What are valves?

400

Pain from one location felt in a totally different part of the body due to converging nerve fibers. 

What is referred?

400

The tube connecting the inner ear to the nasopharynx.

What is the Eustachian tube? 

400

The endocrine gland that influences more body processes than any other, also known as the Master Gland.

What is the pituitary?

400

Part of the heart delivering unoxygenated blood to the lungs?

What are pulmonary arteries?

400

Three factors affect blood pressure: cardiac output, blood volume and _______________.

What is resistance (or peripheral resistance)?

500

Ion exchange and action potentials occur only at the Nodes of Ranvier in this type of nerve fiber.

What is myelinated?

500

The two primary structures of the ear crucial for maintaining balance and equilibrium.

What are the semicircular canals and the vestibule?

500

This organ contains both endocrine and exocrine tissues.

What is the pancreas?

500

Immature erythrocyte created by red bone marrow.

What is a reticulocyte?

500

The maximum pressure generated during ventricular contraction.

What is systolic pressure?